Area codes 864 and 821
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Area codes 864 and 821 are telephone overlay area codes in the North American Numbering Plan (NANP) for the western third of the U.S. state of South Carolina. The numbering plan area (NPA) comprises the areas of Greenville, Spartanburg, Anderson, and twelve surrounding counties. Other cities in the numbering plan area include Clemson, Gaffney, Greer, and Mauldin. It is largely coextensive with the Upstate region.
Area code 864 was created in a division of numbering plan area 803 on December 3, 1995.[1]
Projections of 2021 anticipated the requirement of relief from telephone number exhaustion in the Upstate region with a new area code for 2024 or 2025.[2][3] On November 28, 2022, the NANP Administrator (NANPA) and the South Carolina Public Service Commission set the in-service date for overlay area code 821 to August 19, 2024, after a permissive ten-digit dialing period from January 19, 2024, to July 19, 2024.[4] Activations of central office codes for 821 began in November 2024.
References
External links
- ↑ South Carolina area codes
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